I think he just saw what he thought is a repeat post and saw red.
Although TBH I've seen these placeholder posts of yours before and they do look a bit odd, it would be better if you wrote them after you've done all the posts in the series and posted them last.
The idea behind doing the template first, is so contributors have a post to link to.
It's these internal links that help Google to prioritise the main guide rather than all of the individual section posts when indexing.
You're right though, I maybe should be explaining what the templates are when I post them, instead of leaving them all blank.
This little side project has probably outgrown the way I was doing it before.
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I had a feeling it might have something to do with SEO - it's a tough platform to write too.
!PIZZA